package cn.zhukelili.base;

/**
 * @description: 抽象运算符号解析器
 * @author: hhbeast
 * @since: 2018/7/28 10:06
 */
public abstract class SymbolExpression extends Expression {
    protected Expression left;
    protected Expression right;

    //所有的解析公式都应只关心自己左右两个表达式的结果
    public SymbolExpression(Expression _left, Expression _right) {
        this.left = _left;
        this.right = _right;
    }
}
